package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

	/**
	 * 动态查询符合条件的实体类集合
	 *
	 * @param shoppingCart
	 * @return
	 */
	List<ShoppingCart> list(ShoppingCart shoppingCart);

	/**
	 * 根据id修改购物车中的商品数量
	 *
	 * @param cart
	 */
	@Update("update shopping_cart set number = #{number} where id = #{id}")
	void updateNumberById(ShoppingCart cart);

	/**
	 * 批量插入
	 * @param shoppingCartList
	 */
	void insertBatch(List<ShoppingCart> shoppingCartList);

	/**
	 * 购物车中插入一条商品记录
	 *
	 * @param shoppingCart
	 */
	@Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time)" +
			"values " +
			"(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
	void insert(ShoppingCart shoppingCart);

	/**
	 * 清空购物车
	 * @param uderID
	 */
	@Delete("delete from shopping_cart where user_id = #{userId}")
	void deleteByUserId(Long uderID);

	/**
	 * 根据id删除删除购物车中的商品
	 * @param cart
	 */
	@Delete("delete from shopping_cart where id = #{id}")
	void deleteById(ShoppingCart cart);
}
